<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			a{
				text-decoration: none;
				color: black;
			}
			a:hover{
				color: red;
			}
			li{
				list-style: none;
			}
			#d3{
				height: 500px;
				width: 600px;
				background-color: rgba(122,44,55,0.3);
				background-image: url(../day10/img/bg.gif);
				background-repeat: no-repeat;
				background-position: -20px 100px;
				/* background-position: center bottom; */
			}
		</style>
	</head>
	<body>
		<div>
			<a href="#">1</a>
			<a href="#">2</a>
			<a href="#">3</a>
			<a href="#">4</a>
		</div>
		<div>
			<ul>
				<li>1</li>
				<li>55</li>
				<li>y</li>
				<li>55</li>
				<li>77</li>
				<li>78</li>
				<li>88</li>
			</ul>
		</div>
		<div  id="d3">
			<span>你好！</span>
		</div>
	</body>
</html>
